Mass Transfer When the temperature and humidity of air is low, we usually use __________ draft cooling tower. Natural Induced Forced None of these Natural Induced Forced None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Priming in a distillation column Reduces the overall pressure drop Is desirable from point efficiency consideration Results from very low gas velocity Is characterised by the presence of foam throughout the space between trays Reduces the overall pressure drop Is desirable from point efficiency consideration Results from very low gas velocity Is characterised by the presence of foam throughout the space between trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of leaching increases, because the Thermal conductivity of solute increases None of these Diffusivity of solute increases Viscosity of solvent decreases Thermal conductivity of solute increases None of these Diffusivity of solute increases Viscosity of solvent decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio decreases, the None of these Number of plates increases Column diameter increases Separation becomes more efficient None of these Number of plates increases Column diameter increases Separation becomes more efficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Avoid flooding Avoid channelling Reduce the overall pressure drop Reduce liquid hold-up Avoid flooding Avoid channelling Reduce the overall pressure drop Reduce liquid hold-up ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in Neither A nor B Degree of ideality of the solution Both A & B Viscosity with concentration Neither A nor B Degree of ideality of the solution Both A & B Viscosity with concentration ANSWER DOWNLOAD EXAMIANS APP
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